The Butcher GRID 2Bliss Ready T7 features a World-Cup proven aggressive tread design to bite and grip in any condition. Ramped and siped, the center tread blocks provide maximum traction and accurate steering. The sawtooth faced shoulder knobs offer a continuous biting edge for railing through corners. The GRID casing provides a light and supple trail construction with additional sidewall protection for exceptional durability and sidewall stability. The T7 GRIPTON® compound enhances rolling speed while still providing tons of grip. Casing: 60 TPI, light and supple trail construction with additional sidewall protection for exceptional durability and sidewall stability. Bead: Foldable. Butyl wrapped bead = 2Bliss Ready. Compound: GRIPTON® T7. 29 x 2.3", psi 25-50, approximate weight 890g. 29 x 2.6", psi 20-40, approximate weight 965g.